8883100

素因数分解:

$2^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:646

約数の個数: 36

約数和(自身を含む): 19413688

約数和(自身を除く): 10530588

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 211, 421, 422, 842, 844, 1055, 1684, 2105, 2110, 4210, 4220, 5275, 8420, 10525, 10550, 21050, 21100, 42100, 88831, 177662, 355324, 444155, 888310, 1776620, 2220775, 4441550, 8883100]

約数ペア:

[(1, 8883100), (2, 4441550), (4, 2220775), (5, 1776620), (10, 888310), (20, 444155), (25, 355324), (50, 177662), (100, 88831), (211, 42100), (421, 21100), (422, 21050), (842, 10550), (844, 10525), (1055, 8420), (1684, 5275), (2105, 4220), (2110, 4210)]